The Nikon 105mm f/1.4 has been released as the fastest 105mm lens. It is designed to be a phenomenal portrait lens. The 1.4 aperture is designed to work well in low light situations, and makes for a beautiful, soft background and great bokeh. This lens features Nikon's electromagnetic aperture control and has instant manual focus override, so you can grab the focus ring and adjust at any time when you need precise focus.
The new electronic diaphragm lenses only work on Nikon cameras introduced since about 2007.
They work on the D5, D4, D4s, D3, D3s, D3P, D3x, Df, D810, D800/e, D750, D700, D610, D600, D500, D300, D300s, D7000, D7100, D7200, D5500, D5300, D5200, D5100, D5000, D3400, D3300, D3200, D3100.